Mid ocean ridge, Caused by a divergent boundary and is found underwater, rift vally, divergent boundary and is found on land, Mountains, Convergent country where both plates push each other up and crack, volcano, convergant boundary where one plate is sucked under another to from a ____, Earthquake, Transform boundary's often cause ____ to happen, Divergent, Rift valley, Mid ocean ridge, sea floor spreading, Convergent, Sea trench, Moutains, volcanos, transform, Earthquake, the earth under us moves in pieces and they are called _____ ______, techtonic plates, Types of techtonic plates, Convergent, Divergent, Transform, subduction, the geological process at convergent plate boundaries where a denser tectonic plate (usually oceanic) sinks beneath a more buoyant plate (continental or younger oceanic) into the Earth's mantle, denser plate, ____ sinks below less dense (Subduction), Less dense, _____ plates rise above (Subduction), 7, There are ____ major tectonic plates, 10, There are ____ minor techtonic plates, pangea, most recent super contenent, Millions, Moutian formation takes _____ of years, only a few inchs, Tectonic plates move ______ per year, solid rock, techtonic plates are made of _______, lava currents, Tectonic plates are moved by _____ ______, Alfred Wegener, The theory of continental drift, which laid the foundation for modern plate tectonics, was first proposed by German geophysicist and meteorologist ______ _____.

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